Flush DNS

Step 1: Open the Terminal Navigate to Applications -> Utilities -> Terminal Step 2: Flush DNS - Type the following command and hit enter. Mac OS X Yosemite and later sudo killall -HUP mDNSResponder Mac OS X Yosemite v10.10 through v10.10.3 sudo discoveryutil mdnsflushcache Mac OS X Mavericks, Mountain Lion and Lion sudo killall -HUP … Continue reading Flush DNS

host

NAME host - DNS lookup utility how to easily test forward DNS when diagnosing Active Directory (AD) issues. Example:host apple.com link: Code:host apple.com [textbox rows="3"]host apple.com[/textbox] to lookup. how to easily test reverse DNS when diagnosing Active Directory (AD) issues. Example:host 17.142.160.59 link: Code:host 17.142.160.59 [textbox rows="3"]host 17.142.160.59[/textbox] to lookup.